CN102398522A - Proximity detection circuit for on-board vehicle charger - Google Patents
Proximity detection circuit for on-board vehicle charger Download PDFInfo
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- CN102398522A CN102398522A CN201110217086XA CN201110217086A CN102398522A CN 102398522 A CN102398522 A CN 102398522A CN 201110217086X A CN201110217086X A CN 201110217086XA CN 201110217086 A CN201110217086 A CN 201110217086A CN 102398522 A CN102398522 A CN 102398522A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
A proximity detection circuit for an on-board vehicle charger suitable for use with an on-board vehicle charger, such as but not limited to the type of charges used within hybrid and hybrid electric vehicles, to facilitate current conservation during period of time when it is unnecessary or otherwise undesirable for the on-board charger to test for connection of a cordset or other connection used to connect the on-board charger to a charging station or other current source.
Description
Technical field
The present invention relates to be suitable for close on testing circuit, be used to make things convenient for the connection of the electrically-charged cable of the vehicle or other elements with detection with what airborne vehicle charger used.
Background
Airborne vehicle charger can be used for the high-tension battery that exists in hybrid electrically or the electric vehicle is charged to electrical motor energy to be provided.In some cases, charging is available has the battery-charging station that has made things convenient for as from wall type charger or other types and simplifies to cable or other elements of the ability of the current delivery of airborne charger.Cable can comprise that adapter is conveniently to be connected to the socket related with airborne charger or other jacks.Airborne charger can comprise electronics package or other elements, flow to the high-tension battery charging operations relevant with other with control with the management electric current.
Brief Description Of Drawings
The present invention is pointed out in accompanying claims especially.Yet in conjunction with the drawings with reference to following detailed description, other characteristics of the present invention will become more obvious, and the present invention will be understood best, in the accompanying drawings:
Fig. 1 shows on function according to a vehicle electric system aspect non-limiting of the present invention;
Fig. 2 shows the testing circuit that closes on according to a non-limiting aspect of the present invention; And
Fig. 3 show according to a non-limiting aspect of the present invention than low-voltage power circuit.
Specify
Fig. 1 shows on function and a logical component that the vehicle electric system 10 aspect non-limiting is related according to the present invention.Vehicle electric system 10 is illustrated and is primarily aimed at making in electric vehicle, the hybrid electrically vehicle or other vehicle 12 and is used for describing; The vehicle 12 have high-tension battery 14 or other energy, and it can be operated provides the motivation 16 that is enough to supply power to make the electric current that is used for driving the vehicle 12.The vehicle 12 can comprise airborne charger 20, conveniently to use through being used to that airborne charger is connected to electric current that the cable 22 of wall type charger or other battery-charging station (not shown) transmitted to high-tension battery 14 chargings.Cable 22 can be used for through the cable delivered current, and the terminal (not shown) on the end of this cable is suitable for being received within the jack or socket (not shown) related with airborne charger 20.
For example, A-battery 24 can be operated the electric current that enough uses than low potential source 30 to provide.Can operate with the electric current of adjustment than low potential source 30, be used for the one or more of vehicle subsystems 26 and/or airborne charger 20 from A-battery 24.Controller 32 can be included to and make things convenient for actuating logic operation and be engaged in other processing requirements (alternatively, the one or more controller or the treaters that comprise himself in element) related with the vehicle 12.For illustrative purpose; Term " lower ", " low " are used to distinguish the voltage level that conforms to about 5VDC, 12VDC and 200VDC respectively with " height ", these voltage levels be used in usually in the vehicle with support with the corresponding energy in each related operation.Do like this and do not plan unnecessarily to limit scope of the present invention and plan, because the present invention has taken into full account the energy with identical or different voltage level and/or electric current output/generating capacity.
A non-limiting aspect of the present invention considers that it can be operated to be provided with by airborne charger 20 and be the employed voltage of connection of test cable line 22 than low potential source 30.For example; Lower voltage source 30 can be voltage or electric current voltage stabilizer; It has the ability of the change of voltage that is enough to compensate A-battery 24 and/or high-tension battery 14, with to be electrically connected to this lower voltage source, possibly steady current is provided to change of voltage responsive airborne charger 20/ or other elements.Can when not using, be operable as sleep state than low potential source 30, preventing consumption, and be operable as state of activation when needed, so that the electric current and adjustment voltage from A-battery 24 to be provided from the electric current of A-battery 24.
A non-limiting aspect of the present invention considers when there is no need to use airborne charger 20, preserves consumed current amount (for example, when the vehicle stopped, cable opened circuit, or the like).The electric current of being considered by a non-limiting aspect of the present invention is preserved can be through will being transformed into sleep state than low potential source 24 when the operation of airborne charger 20 is unnecessary, and after this when needs use airborne charger 20, lower voltage source 24 is transformed into state of activation from sleep state and realizes.
According to a non-limiting aspect of the present invention, close on testing circuit 36 and can be included to and make things convenient for electric current to preserve configuration, its can operate with than low potential source 30 in sleep state or unactivated state following time, make things convenient for cable 22 to connect to the registration of airborne charger 20.Close on testing circuit 36 and can operate to come in power consumption during, will be transformed into state of activation from sleep state than low potential source 30 less than 50-100uA.Activated in case close on testing circuit 36 than low potential source 30, the electronics package of then airborne charger 20 can be used for the correct connection of check cable line.
Fig. 2 schematically shows and closes on testing circuit 36 according to a non-limiting aspect of the present invention.Close on testing circuit 36 and be intended to comprise circuit related elements shown in Figure 2 (switch, resistance, electric capacity, diode, or the like), and be not intended to and need the part of these circuit components as private circuit.On the contrary; Circuit component can be any one or a plurality of part in the logical component shown in Figure 1; Promptly; In the shown circuit block some or all can be included in airborne charger 20, than low potential source 30, vehicle subsystems 26, controller 32, motor 16, or the like in some or all in.When a plurality of circuit components are illustrated when having realized that some as a result, the present invention takes into full account and uses other circuit components, particularly uses other electric currents to preserve elements and realizes similar result.
When cable 22 is connected to airborne charger 20; Circuit 36 is configured to make cable 22 to form a part of closing on testing circuit 36; As represented with switch S 1; For example under situation with trident bonded assembly cable 22, the node A of switch S 1 and the electrical connection between the B can through anodal with negative terminal foundation (earth terminal can be grounding to vehicle chassis.)。In this way, in the time of in cable 22 is inserted into the socket that is used to be connected to airborne charger 20, can be considered to form a part of closing on circuit 36.
In some cases, lock or other actuator (not shown) can be included to cable 22 is fixed in the socket, or otherwise make things convenient for the user to activate to be intended to reflect the bonded assembly equipment of cable.Switch S 3 can be actuated to make position from normal off position when actuator is closed.As described in more detail below, resistance R 3 and R4 can be included to just according to switch S 3 closed (that is, actuator is closed) short circuited resistance R4 and produce some voltage whether.Be connected related element with cable and can be identified as the junction circuit part 38 of closing on circuit to socket and actuator.
In case cable is connected, between pin 3 and pin 4, provide and the proportional voltage of voltage that provides through cable 22.Airborne charger 20 can comprise adaptor union or other characteristics, its manipulation or otherwise manage pin 3 and pin 4 between voltage, with convenient to high-tension battery 14 chargings.Though not shown, airborne charger 20 can comprise the circuit component of any amount of these types, to make things convenient for the charging of high-tension battery 14.Except being used for making things convenient for from cable 22 transfer charges to the circuit component of high-tension battery 14, extra circuit component can be included to being connected of check cable line 22 with the electronics package (not shown).
Whether cable 22 is confirmed can accomplish through the voltage that corresponding airborne charger electron device measurement is striden resistance R 1 that by bonded assembly correctly it is illustrated with the detection logical identifier representes.Can be configured to provide than low potential source 30 and be illustrated in the whole 5V VREF (Voltage Reference) commonly used that closes in the circuit; Can be when cable 22 breaks off connection so that stride the voltage of resistance R 1; Record is by first voltage of resistance R 2 with metal-oxide-semiconductor fieldeffect transistor (mosFET) M1 and M3 setting; And local at cable 22 bonded assemblys, the second bigger voltage that record is provided with by cable 22, resistance r1 and mosFET M1.Airborne charger 20 can confirm that cable 22 is bonded assemblys correctly based on detecting first voltage or second voltage.
A non-limiting aspect of the present invention is considered through low power supply 30 is maintained under the sleep state, than the current draw of low potential source 30 and airborne charger 20.When lower voltage source 30 in sleep state following time; Depend on the configuration of airborne charger 20; Airborne charger 20 possibly can't detect the connection of cable 22; Because airborne charger 20 relies on by lower voltage source 30 the 5V voltage (for example, enabling the operation of mosFET m1) with convenient test first and second voltages above-mentioned is provided.Fig. 3 shows the circuit than low potential source that is used for according to a non-limiting aspect of the present invention, and wherein wake-up voltage is provided for and IC than the operative association of low potential source.
Close on testing circuit 36 and can comprise wake-up circuit 40, the wake-up voltage by resistance R 1 setting that its response receives can be operated conveniently to make than low potential source and between sleep state and state of activation, changed.Wake-up voltage can generate according to the connection (closure of switch S 1) of cable immediately; During cable connects; Along with the closure of the current path between the 12V of A-battery input, switch Q3, resistance R 11, mosFETM2, resistance R 2, resistance R 3 and resistance R 4, wake-up circuit is transformed into closed circuit state from open-circuit condition.
As long as the activation of switch Q3 has activated switch Q4 to be created in the bleeder between resistance R 14 and the R15, this is provided with wake-up voltage again conversely, and then wake-up voltage becomes available.Wake-up voltage one is by receiving than low potential source, and it just is transformed into state of activation and begins to produce the 5V voltage that offers mosFET M1, M3 and M5 from sleep state.The supply of this electric power is activator switch Q5 conversely, and it is deexcitation switch Q2 and mosFET M2 then.The deexcitation of mosFET M2 has activated mosFETM3 to have set up the pressure drop of striding resistance R 1, and this pressure drop is used to the connection through the electronics package check cable line 22 of airborne charger 20.After this; Low power supply 30 is kept enable mode; The correspondent voltage variation that is removed and strides resistance R 1 up to cable 22 only is registered as; In this, lower voltage source 30 is transformed into sleep pattern according to the signal (not shown) from airborne charger 20, controller 32 or other appropriate members.
As above supported; The present invention can preserve the current draw than low potential source; Saidly be used to provide test voltage than low potential source; This test voltage is operated with electronics package or other testing elements of airborne charger, to detect and to be used for that airborne vehicle charger is electrically connected to battery-charging station or away from the cable of other elements of the vehicle or the related magnitude of voltage of coupled condition of other elements.Interlock circuit is capable of using to dispose series connected bipolar current mirror with the wiring of specifying the coupler that is used to charge, to wake the airborne charger that is used for plug-in mixed traffic instrument or electric vehicle up.This circuit can have the low quiescent current consumption of battery, and uses the adaptor union of actual charging coupler, is used for waking up the circuit of the power supply of airborne charger with completion.This circuit arranges again after power supply wakes up that then self is to become the actual testing circuit that closes on.This circuit can not use and must send instruction or produce the Signal Processing device according to the code that stores so that can produce wake-up voltage fully by the hardware component structure.(treater is transformed into sleep pattern with lower voltage source if desired, and then the present invention can wake the low voltage treater in the sleep up and need not processor operations.)
As required, herein disclosed is detailed embodiment of the present invention; However, it should be understood that disclosed embodiment only is an example of the present invention, the present invention can realize by various and optional form.Accompanying drawing is not necessarily drawn in proportion, and some characteristics can be exaggerated or minimize to show the details of specific components.Therefore, it is restrictive that concrete structure disclosed herein and function detail should not be interpreted as, but only as the representative basis of claim, and/or as being used to instruct those of skill in the art to utilize representative basis of the present invention in every way.The characteristic of the embodiment of various realizations can be combined to form other embodiment of the present invention.
Though described illustrative embodiments above, intention is not to describe all possible form of the present invention with these embodiments.On the contrary, the word that uses in the specification sheets is illustrative and nonrestrictive word, and should be understood that and can make various changes and without departing from the spirit and scope of the present invention.In addition, the characteristic of the embodiment of various realizations can be combined to form other embodiment of the present invention.
Claims (20)
1. the electric system of vehicle comprises:
High-tension battery, it can operate outgoing current, and this electric current is enough to for operating to drive the electrical motor power supply of the vehicle;
A-battery, it can operate outgoing current, and this electric current is enough to be one or more vehicle subsystems power supplies that said A-battery can not be exported the electric current that is enough to for said electrical motor power supply;
Low potential source, it can be operated when state of activation and adjust the electric current that is provided by said A-battery, adjusts the electric current that is provided by said A-battery and when sleep state, can not operate;
Airborne vehicle charger; It can be operated the electric current that cable provided that uses through being connected to this airborne vehicle charger said high-tension battery is charged, and said airborne charger need be from controlled electric current of said low potential source so that detect the connection of said cable;
Close on testing circuit, it can be operated and when said cable is connected to said airborne vehicle charger, said low potential source is transformed into said state of activation from said sleep state.
2. vehicle electric system as claimed in claim 1, wherein, the said testing circuit that closes on is confirmed the connection of said cable and is not drawn the quiescent current greater than 100uA.
3. vehicle electric system as claimed in claim 1; Wherein, The said testing circuit that closes on comprises wake-up circuit; Said wake-up circuit can be operated and use the electric current that is provided by said A-battery to produce wake-up voltage, and said wake-up voltage is enough to said low potential source is transformed into said state of activation from said sleep state.
4. vehicle electric system as claimed in claim 3, wherein, when said cable was connected to the socket of said airborne charger, said cable formed the part of said wake-up circuit.
5. vehicle electric system as claimed in claim 4; Wherein, When said cable is connected to said socket; Said wake-up circuit can be operated from open-circuit condition and be transformed into closed circuit state, and said wake-up circuit can be operated when said closed circuit state and produce said wake-up voltage, produces said wake-up voltage and when said open-circuit condition, can not operate.
6. vehicle electric system as claimed in claim 5, wherein, in case said low potential source is transformed into said state of activation from said sleep state, said wake-up circuit just stops to draw the electric current that is used to produce said wake-up voltage.
7. communication tool system as claimed in claim 1; Wherein, The said testing circuit that closes on comprises junction circuit, and said junction circuit can be operated the pressure drop of resistance that to receive said low potential source according to bridging greater than a voltage threshold, detects the connection of said cable.
8. communication tool system as claimed in claim 7, wherein, said junction circuit can be operated the said pressure drop that comes according to striding said resistance, detects the closure that is used for said cable is locked onto the actuator of said airborne vehicle charger.
9. one kind is closed on testing circuit, and it is used for need being transformed into state of activation from sleep state so that provide in the power supply by the required voltage of the connection of airborne charger test cable line and use, and the said testing circuit that closes on comprises:
Junction circuit, when said cable was connected to said airborne charger, said junction circuit was partly formed by said cable; And
Wake-up circuit, it can be operated and come when being connected to said airborne charger when said cable, and generation is enough to said power supply is transformed into from said sleep state the wake-up voltage of said state of activation.
10. the testing circuit that closes on as claimed in claim 9 wherein, breaks off when being connected at said cable and said airborne charger, and said wake-up circuit produces said wake-up voltage and do not consume the electric current more than 100uA.
11. the testing circuit that closes on as claimed in claim 9, wherein, said wake-up circuit does not rely on treater and produces said wake-up voltage, with convenient said power supply is transformed into said state of activation from said sleep state.
12. the testing circuit that closes on as claimed in claim 9; Wherein, Along with said cable closure is used to make a current path that resistance (R15) and low pressure vehicle battery be connected in series and a part that forms this current path, said wake-up circuit produces said wake-up voltage.
13. the testing circuit that closes on as claimed in claim 9; Also comprise first resistance (R1) that is connected in series with said power supply and said cable, and make by said airborne charger and to be used for based on the pressure drop of striding said first resistance (R1) to test the bonded assembly measured node of said cable.
14. the testing circuit that closes on as claimed in claim 13; Also comprise the actuator circuit; Said actuator circuit can be operated when actuator switch is broken off, second resistance (R4) to be connected with said first resistance (R1) and said cable, and when said actuator switch is closed, bypasses said second resistance (R4).
15. the testing circuit that closes on as claimed in claim 14; Also comprise first switch (M1) that is connected in series with said first resistance (R1), cable and said second resistance (R4); When said power supply during at said sleep state, said first switch (M1) prevents that electric current from flowing through said first resistance (R1).
16. a method that is used to activate nonactivated power supply, said power supply are used to the required test voltage of connection by airborne charger test cable line is provided, said method comprises:
Detect the connection of said cable; And
After the connection that detects said power supply and before said test voltage is being provided, said nonactivated power supply is activated to state of activation.
17. method as claimed in claim 16 also comprises and uses the wake-up voltage that is provided by wake-up circuit to activate said nonactivated power supply.
18. method as claimed in claim 17 also is included in said cable and breaks off when connecting, and detects the connection of said cable and said wake-up circuit not have the electric current of consumption more than 100uA.
19. method as claimed in claim 16 also comprises and activates said nonactivated power supply and said nonactivated power supply not have consumption and said power supply at the different electric current of said state of activation time institute consumed current.
20. method as claimed in claim 16 also comprises and activates said nonactivated power supply and do not send instruction and do not rely on clock signal from treater.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/850,835 US8305033B2 (en) | 2010-08-05 | 2010-08-05 | Proximity detection circuit for on-board vehicle charger |
| US12/850,835 | 2010-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102398522A true CN102398522A (en) | 2012-04-04 |
| CN102398522B CN102398522B (en) | 2014-09-03 |
Family
ID=45495144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110217086.XA Active CN102398522B (en) | 2010-08-05 | 2011-07-29 | Proximity detection circuit for on-board vehicle charger |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8305033B2 (en) |
| CN (1) | CN102398522B (en) |
| DE (1) | DE102011079361A1 (en) |
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| CN108288735A (en) * | 2018-04-04 | 2018-07-17 | 湖南金杯新能源发展有限公司 | The power supply wake-up control circuit of electric vehicle |
| CN110126653A (en) * | 2018-02-08 | 2019-08-16 | 李尔公司 | The proximity test circuit of onboard charger |
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| US9233611B2 (en) | 2011-11-10 | 2016-01-12 | Lear Corporation | Proximity detection circuit having short protection |
| US9333864B2 (en) | 2012-05-31 | 2016-05-10 | Lear Corporation | Wake-by-control pilot circuit for onboard battery charger |
| DE102013218147A1 (en) * | 2013-09-11 | 2015-03-12 | Bayerische Motoren Werke Aktiengesellschaft | Plug-in vehicle |
| DE102015102352A1 (en) * | 2015-02-19 | 2016-08-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method and device for monitoring a resting state in a motor vehicle |
| US10596914B2 (en) | 2016-01-12 | 2020-03-24 | Lear Corporation | Low power proximity detection apparatus |
| US10597024B2 (en) * | 2016-03-10 | 2020-03-24 | Ford Global Technologies, Llc | System and method for powering start-stop and hybrid vehicle components and accessories |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102011079361A1 (en) | 2012-02-09 |
| US20120032634A1 (en) | 2012-02-09 |
| US8305033B2 (en) | 2012-11-06 |
| CN102398522B (en) | 2014-09-03 |
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